Unverified95% confidenceDecision RuleTime unknown
镜头遮光罩必须匹配镜头的等效焦距范围：广角镜头（如16-35mm）需用花瓣型（莲花型）遮光罩，长焦定焦（如85mm、135mm）可用圆筒型遮光罩；花瓣型缺口对应画幅长短边，避免暗角
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95%
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Long-term
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